Top 100 Most Liked Portal 2 Videos by Mardiman641Top 100 » 200 » 300 » 400 » 500Video TitleRatingCategoryGame1.mardiman641 lets play - Portal 2 Co-op [DLC Maps Run] (part 3) W/Garrett {Richalvarez's Friend}1Let's PlayPortal 2 2.Mardiman641 Plays: Rom Hack Fridays - Portal 2 Community Custom Maps1Portal 2 Top 100 » 200 » 300 » 400 » 500